That was how they treated the insides as well. Remember death of Superman?
Single. Image. Per. Page.

As a matter of fact I do. The shrinking panel count per issue over the final few issues was done VERY deliberately as a stylistic point to heighten the tension. It was groundbreaking at the time, and not to be faulted for what happened after.

Death of Superman was quite frankly the Lord of the Rings of modern comics: the greatest story told in the modern times.